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901592

Sigma-Aldrich

Sulfur dioxide solution

0.5 M in THF

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Synonym(s):
Sulfurous anhydride, Sulfurous oxide, Sulphur dioxide
Linear Formula:
SO2
CAS Number:

form

liquid

reaction suitability

reagent type: reductant

concentration

0.5 M in THF

density

0.8935 g/mL

InChI

1S/O2S/c1-3-2

InChI key

RAHZWNYVWXNFOC-UHFFFAOYSA-N

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1 of 4

This Item
295698247626296309
Sigma-Aldrich

901592

Sulfur dioxide solution

-
Sulfur dioxide ≥99.9%

295698

Sulfur dioxide

-
Sulfur dioxide solution ACS reagent, ≥6%

247626

Sulfur dioxide solution

Essential Grade
1,4-Dioxane anhydrous, 99.8%, contains <=25 ppm BHT as stabilizer

296309

1,4-Dioxane

-
form

liquid

form

-

form

liquid

form

liquid

density

0.8935 g/mL

density

1.25 g/mL at 25 °C (lit.)

density

1.03 g/mL at 25 °C (lit.)

density

1.034 g/mL at 25 °C (lit.)

reaction suitability

reagent type: reductant

reaction suitability

-

reaction suitability

-

reaction suitability

-

Application

Sulfur dioxide solution can be used as a reducing agent for the reduction of:
  • Pentavalent arsenic to trivalent arsenic in the presence of sulfuric acid.
  • Graphene oxide to graphene in the presence of water.
Valuable reagent offered as a solution in tetrahydrofuran for more convenient handling.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

0.5 °F

flash_point_c

-17.5 °C


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Chemical reduction of graphene oxide to graphene by sulfur-containing compounds
Chen W, et al.
The Journal of Physical Chemistry C, 114, 19885-19890 (2010)
Reduction and deposition of arsenic in copper electrolyte
ZHOU W, et al.
Transactions of Nonferrous Metals Society of China, 21, 2772-2777 (2011)

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